Some Google Pixel 2/2 XL owners reporting that included headphone adapters don't work - 9to5Google
Facing Problems Google Pixel 2 XL? Know How to Fix Them - YouTube
Amazon.com: USB Type C to 3.5mm Headphone and Charger Adapter,Xumee 2-in-1 USB C to Aux Audio Jack Hi-Res DAC and Fast Charging Dongle Cable Compatible with Pixel 4 3 XL, Galaxy S22
Amazon.com: Pixel 2 Audio and Charger Adapter, XIIVIO 2 in 1 USB-C to 3.5mm Aux Headphone Jack Cable and Type USB C Fast Charging Cord[Support Phone Call+Volume Control] for Google Pixel 2/XL/HTC/Essential
Can I charge my Pixel 2 XL with a laptop charger. - Phones and Tablets - Linus Tech Tips